<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>hello_react</title>
</head>

<body>
  <!-- 准备一个“容器” -->
  <div id="test"></div>
</body>
<!-- react 核心库 -->
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<!-- react 操作dome -->
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<script src="https://unpkg.com/@babel/standalone@7.13.17/babel.min.js"></script>
<script type="text/babel">
  // 1. 创建虚拟dome
  const VDOM = <h1> Hello React </h1>; // 不需要写引号， 不是字符串
  // 2. 渲染虚拟dome到页面
  ReactDOM.render(VDOM, document.getElementById('test'))
</script>

</html>